This database is built to show the mercury distribution in various environments and related products in Japan. The information of sampling media, mercury type, sampling region, and sampling time are contained. In this database, you can search and browse by categories, and also enjoy on-demand mercury maps in Japan.

Sampling Media
Mercury Type
Sampling Region
Sampling Time

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Search Results

Sample Media Mercury Type Principal agent Reference Number Institute Reference Year Sampling Region Sampling Area Sample Type Unit Minmum Maximum Average
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H26 - Others Others Fish 133 species ppm < 0.01 2.23 0.172562514
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H26 - Others Others Fish 29 species ppm 0.07 1.57 0.332068966
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H26 - Others Others Shellfish 20 species ppm < 0.01 0.22 0.032967708
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H26 - Others Others Freshwater fish 10 species ppm < 0.01 0.44 0.119246667
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H26 - Others Others Freshwater fish 1 species ppm - - -
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H27 - Others Others Fish 114 species ppm < 0.01 2.33 0.185381851
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H27 - Others Others Fish 26 species ppm 0.04 1.52 0.334769231
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H27 - Others Others Shellfish 15 species ppm < 0.01 0.08 0.02125
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H27 - Others Others Freshwater fish 9 species ppm < 0.01 0.2 0.095625
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H28 - Others Others Fish 114 species ppm 0.01 4.35 0.186929825
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H28 - Others Others Fish 23 species ppm 0.06 1.89 0.275652174
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H28 - Others Others Shellfish 15 species ppm < 0.01 0.05 0.014285714
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H28 - Others Others Freshwater fish 10 species ppm 0.01 0.24 0.094
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H29 - Others Others Fish 114 species ppm 0.01 4.35 0.19
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H29 - Others Others Fish 23 species ppm 0.06 1.89 0.28
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H29 - Others Others Shellfish 15 species ppm < 0.01 0.05 0.01
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H29 - Others Others Freshwater fish 10 species ppm 0.01 0.24 0.09
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H29 - Others Others Processed food products ppm 0.01 0.11 0.04
Aquatic water and products T-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H30 - Others Others Fish 103 species ppm <0.01 1.69 0.181030928
Aquatic water and products Me-Hg Local government R36 Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government Food Safety Archives by Bureau of Social Welfare and Public Health No.H30 - Others Others Fish 28 species ppm 0.08 1.1 0.310714286